Retaining ring for shaft



FIG. 1 is a front view of the retaining ring for shaft embodying our design, the rear view being substantially identical thereto.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a left side view thereof, the right side view being substantially identical thereto; and,

FIG. 5 is a sectional view taken along line 5—5 in FIG. 1. 

The ornamental design for a retaining ring for shaft, as shown and described. 